Question - "The sex of a newborn child is a matter of chance and none of the parents may be considered responsible for it." Justify this statement with the help of flow chart showing determination of sex of a newborn.
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Question - Write two examples each of sexually transmitted diseases caused by (i) virus, (ii) bacteria. Explain how the transmission of such diseases be prevented?
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Question - (a) What is an ecosystem? List its two main components.
(b) We do not clean ponds or lakes, but an aquarium needs to be cleaned regularly. Explain.
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Question - Write two examples each of sexually transmitted diseases caused by (i) virus, (ii) bacteria. Explain how the transmission of such diseases be prevented?
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Question - Explain the process of regeneration in Planaria. How is regeneration different from reproduction?
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Question - "The sex of a newborn child is a matter of chance and none of the parents may be considered responsible for it." Justify this statement with the help of flow chart showing determination of sex of a newborn.
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Question - Explain the process of regeneration in Planaria. How is regeneration different from reproduction?
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Question - (a) What is an ecosystem? List its two main components.
(b) We do not clean ponds or lakes, but an aquarium needs to be cleaned regularly. Explain.
Vedantu - Your Personal Teacher Online
- Get an clear edge over other students by constant revision of important topics with an awesome teacher.
- Get your doubts and questions resolved instantly by booking an instant live session
- Prepare for competitive exams with our exam courses and achieve your goal
- Skipped a topic in tuitions? Learn it on Vedantu by taking our topic courses